Doorcheck



p v 1935. R. H. WRIGHT 1,996,602

DOORCHECK Filed Nov. 27, 1934 INVENTOR Flam/P0 H. WRIGHTL ATTORNEYSPatented A r. 2, 1935 I I 1 99 UNITED STATES PATENT OFFICE noononnonRichard B. Wright, Cleveland Heights, Ohio Application November 27,1934,, Serial No. 755,048 5 Claims. (01. iii-a6) The invention relatesto doorchecks, and pargenerally by means of a hinge post I. Thenumticularly to those types of doorchecks, which are her of hingesapplied to the door is immaterial, especially applicable to doors forautomobile or although there will generally be found at least othervehicle bodies, and the like. a two and frequently three.

5 It is an object of the invention to provide a It is customary toemploy some form of door- 5 I I doorcheck which is simple andinexpensive, yet check for limiting the extent to which the door capableof withstanding and absorbing the shocks may be opened. In the past,these have taken to which the same is subjected in checking and the formof leather straps, cables, plungers, etc. restricting the movement ofthe door. I have found that a simple and inexpensive door- A stillfurther object of the invention is to check may be constructed in theform of a metal 0 provide anovel form of buffer, which may be aprod orbar 8 constituting a shank, one end of plied to the doorcheck, so as tobe always retained which is attached as by a bracket 9 to the hinge inposition for absorbing the shocks incident to edge 5 of the door I, thebracket, of course, bechecking the door, as above referred to, in theing suitably secured to the door, as by a bolt I0 most satisfactorymanner. extending through the door frame. 7 The rod or 15 The inventionfurther contemplates the proshank preferably pivots on the bracket at H.vision of a doorcheck buffer produced by ex- The opposite end of the rodor shank 8 extruding a suitable resilient material such as rubtendsthrough the hinge post I, the latter being ber. provided with a suitableaperture l2. This end Other and further objects and advantages of of theshank carries at least one'laterally ex- 20 the invention will behereinafter described, and tending arm, preferably two, forming acrossthe novel features thereof defined by the apad 3- The cross-headmaybe formed pended claims. 'tegrally with the shank 8 or may besuitably at- In the drawing: tached thereto by welding or attachingdevices Figure 1 is a fragmentary horizontal sectional such as rivets'orbolts. 25

view taken on a, plane substantially at the point of The cross-headwhich comprises oppositely exattachment of the doorcheck, the doorcheckbeing tending arms is preferably U-shaped in form, shown in plan. andmay extend either vertically orhorizontally Figure 2 is a fragmentaryelevation presenting as desired according to the space which is availtheparts of Figure 1 at substantially right angles able. As shown, thecross-head extends vertito the view of Figure 1, a portion of the hingecally.

post being broken away and shown in section. The shank or rod 8 iscurved so thatin opera- Figure 3 is a plan view of the doorcheckwithtion the check will be confined within the usual out the bufferapplied. thereto. space afforded between the inner and outer wallsFigure 4 is a side elevation of the doorcheck of the vehicle body. Theextent of the curvature 35 I shown in Figure 3. will vary with differentmakes of bodies, and it Figure 5 is an enlarged detail sectional view ofalso depends on the arrangement of the hinge one endof the doorcheckwhich carries the buffer, leaves. the buffer being shown mountedthereon. The arms of the cross-head K1 are adapted to 40 Figure 6 is aview taken at right angles to receive a buffer for the purpose ofcushioning the 40 Figure 5. abutting engagement of the cross-head withthe- Figure 7 is an enlarged detail perspective view hinge post 1, thehinge post constituting the of the buffer. abutment against which thecross-head impinges Figure 8 shows a front-elevation of a doorcheck whenthe door I is opened to the full limit perlooking in a direction asindicated in Figure 4 mitted by the doorcheck.

and illustrates a modified construction wherein As previously mentioned,the buffer according the ends of the cross-head are flared outwardly. tomy invention, is of novel construction, and Like characters designatecorresponding parts preferably assumes the form of a. resilient sleeve"in the several figures of the drawing. which may he slipped onto. thecross-head arms Referring first to Figures 1 and 2, there is so as to beretained thereon by the resiliency of 50 shown by way of illustration adoor I mounted the sleeve. In practice, it has been found'desirupon thevehicle body, generally designated 2, able to thicken the sleeve at oneside so as to by a hinge 3, one leaf 4 of the hinge 3 being at-.-provide an abutment engaging section of sumtached to the hinge edge 5 ofthe door and the cient massto satisfactorily cushion the shocks otherleaf 6 being suitably attached to the body created in restricting themovement of the door 55 at its limit or travel in'an opening direction.In

the drawing,- the sleeve is designated generally by the referencecharacter It, while the thickened section of the sleeve ,is designatedl5.

Likewise, I have found, in practice, that it is desirable to a providesome means for positively interlocking the buffer sleeve on itssupporting arm so as to insure that the thickened section of the sleevewill remain in proper position to receive and absorb the shocks. Withoutsuch interlocking provisions, the sleeve has a tendency to turn on thearm eventually so that the shocks are received by the relatively thinnerwalls of the buffer, which, of course, do not have the capacity forabsorbing the same as does the thicker wall.

To produce this interlock betweenvthe bufler The central openingsthrough the buffer sleeve is preferably slightly smaller than thesupporting arms so as to providea snug fit, the resiliency of the bufferserving to maintain the bufler on the arms without the additionalprovision for securing the same thereon.-

The material from which the buffer is made is preferably rubber. Othersuitable resilient compositions may, of course, be utilized.

In mounting the doorcheck, it may be located anywhere between the upperand lower extremities of the door, as desired. Likewise, if desired,more than one check can be provided per door. In practice, however, oneper door will generally be found suflicient.

The operation of the invention should be readily apparent from theforegoing, and is" briefly summarized as follows:--

Assuming the door to be at the limit of itsv open position as shown inFigures 1 and 2, upon closing the door, the shank 8 will slide throughthe aperture I2 to the left, (as observed in the drawing), pivotingabout the point I i, as it does so, and keeping closely adjacent to theouter wall of the vehicle body so that in final closed position, thebuffer supporting end of the shank will be substantially spaced from thehinge position 2. Upon opening the door, the shank 8 will be withdrawn.through the aperture l2 until the buffer strikes the inner face ofthe'hinge post I. The impact shock will be absorbed by the thickenedwall ii of the buffer, which-wall is located so as to extend towards thehinge post 1 for abutting thereagainst, being positively retained insuch' position by the interlocking of the rib I6.with the channel l1.

If desired, the cross-head I! may be provided with lugs I311 so thatwhen thesleeves have been arranged upon the cross-head, the lugs orlock- ..ing meansmaybebentsoastomaintain the may also be aconflgurationas illustrated in Figure 8, and the flared ends ilo will eliminate; 'thepossibility of accidental displacement of the rubber sleeves.

It will be obvious that the doorcheck described herein may be mounted ina reverse order with respect to the automobile body and door. In otherwords, the bracket 9 may be secured to hinge post I, while the parts 8,i3 and- I4, may be operatively arranged ture'oi. the door I.

while the specific details of construction have been herein shown anddescribed, the invention within the frame struc is not confined thereto,as changes and alterations may be made without departing from the spiritthereof, according to the appended claims. Having thus described myinvention, what I claim as new and desire to secure by Letters Patent ofthe United States, is:-

1. A doorcheck of the class described, comprising ashank, one end ofwhich is adapted to be attached to the hinge edge of a door, and theother end of which carries at least one laterally extending arm adaptedto coact with an abutment for limiting the movement of the door, and abuiier carried by said arm, said buffer comprising a resilient sleevehaving a protuberance extending therefrom and interlocking with saidarm.

2. A doorcheck of the class described, comprising a shank, one end ofwhich is adapted to be attached to the hinge edge of a door and theother end of which carries a cross-head comprising'cpp'ositely extendingarms of substantially U-iorm adapted to coact with an abutment forlimiting the movement of the door, and a buifer mounted on said arms,said buffer comprising a resilient sleeve having an internal protuberantrib received within the channel formed by the U-shaped arms.

3. A doorcheck of the class described, vcomprising a shank, one end ofwhich is adapted to be attached to the hinge edge of a door and theotherend of which is provided with at least one laterally extending armadapted to coact with an abutment for limiting the movement of the door,and a bufier mounted on said arm, said buffer comprising a sleeve ofresilient material'slidable onto said arm and adapted to be maintainedthereon by the. resiliency of the sleeve, said sleeve being thickened atone side to constitute the abutment engaging portion.

4. As a new article of manufacture, a butter for doorchecks of the classdescribed, comprising an extruded sleeve of resilient material, the

wall of said sleeve being thickened at one side to constitute anabutment, engaging section and provided at the opposite. side with .aninternally protuberant longitudinally extending interlocking rib.

5. A doorcheck of the class described, comprising a shank, one end ofwhich is adapted to be attached to the hinge edge of a door, and theother end of which carries at least one laterally extending arm adaptedto coact with an abuting therefrom and interlocking with said arm,

and locking means on said arm for maintaining the buifer againstdisplacement.

RICHARD H. WRIGHT.

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